| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 30462 | 39660 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 23:50 | 2024 Dec 23 06:53 |
| Time of closest approach (UTC) | 2024 Dec 27 23:33:43.186 |
| Minimum distance | 1.200 km |
| Height difference | 1.065 km |
| Relative speed | 10.490 km/s |
| Angle between velocity vectors | 89° |
| Geographic position | 63.3°N, 102.2°E |
| Height | 802 km |
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